Covalent Bonds

Question 1

The element carbon (C) is most likely to form covalent bonds with the element

Revolt · Accepted Answer

selenium (Se).

Question 2

For a science fair project about food and chemistry, Bill looks around his kitchen for examples of covalent compounds. What evidence can Bill use in his project to show that water (H2O) acts like other covalent compounds?

Revolt · Accepted Answer

He can demonstrate that water can be boiled on a simple kitchen stove.

Question 3

Which best describes most covalent compounds?

Revolt · Accepted Answer

brittle

Question 4

The compound cyanogen (CN)2 has covalent bonds shown in this diagram.

Revolt · Accepted Answer

six

Question 5

Which element can join with other elements to form covalent bonds?

Revolt · Accepted Answer

carbon (C)

Question 6

Phosphorous (P) and chlorine (Cl) bond covalently to form the important industrial compound phosphorous trichloride. The diagrams below show the electron structures of phosphorous and chlorine.Which diagram shows how the covalent bonds most likely form in a phosphorous trichloride molecule?

Question 7

Walls made of paraffin wax, a covalent compound, help keep the temperature in a room steady as night changes into day and day into night. What is the most important property of covalent compounds that allows paraffin wax to help keep a room’s temperature level?

Revolt · Accepted Answer

The wall would absorb extra heat during the day when the sun is out, then release the heat back into the room when the sun goes down.

Question 8

Which is most likely a covalent compound?

Revolt · Accepted Answer

CF4

Question 9

After a covalent bond has stabilized an atom, the atom will have

Revolt · Accepted Answer

a full valence electron shell.

Covalent Bonds Answers

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